Пример #1
0
class MapTip(QDockWidget):

    closed = pyqtSignal()

    def __init__(self, iface: QgisInterface, html: str, point: QgsPointXY):
        super().__init__()
        self.map_canvas = iface.mapCanvas()
        self.point = point
        self.web_view = QWebView(self)

        self.dbg_info('map position: {}'.format(point.asWkt()))

        self.web_view.page().setLinkDelegationPolicy(
            QWebPage.DelegateAllLinks)  # Handle link clicks by yourself
        self.web_view.setContextMenuPolicy(
            Qt.NoContextMenu
        )  # No context menu is allowed if you don't need it
        self.web_view.linkClicked.connect(self.on_link_clicked)

        self.web_view.page().settings().setAttribute(
            QWebSettings.DeveloperExtrasEnabled, True)
        self.web_view.page().settings().setAttribute(
            QWebSettings.JavascriptEnabled, True)

        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        self.setWidget(self.web_view)

        # assure the map tip is never larger than half the map canvas
        max_width = int(self.map_canvas.geometry().width() / 1.8)
        max_height = int(self.map_canvas.geometry().height() / 1.8)
        self.dbg_info('max size {} {}'.format(max_height, max_width))
        self.setMaximumSize(max_width, max_height)

        # start with 0 size,
        # the content will automatically make it grow up to MaximumSize
        self.resize(300, 200)

        background_color = self.palette().base().color()
        background_color.setAlpha(235)
        stroke_color = self.palette().shadow().color()
        #self.setStyleSheet(".QDocWidget{{ border: 1px solid {stroke}; background-color: {bg} }}"
        #                          .format(stroke=stroke_color.name(QColor.HexArgb),
        #                                  bg=background_color.name(QColor.HexArgb)))

        palette = self.web_view.palette()
        palette.setBrush(QPalette.Base, Qt.transparent)
        palette.setBrush(QPalette.Base, background_color)
        self.web_view.page().setPalette(palette)
        self.web_view.setAttribute(Qt.WA_OpaquePaintEvent, False)

        body_style = "background-color: {bg}; margin: 0".format(
            bg=background_color)
        container_style = "display: inline-block; margin: 0px"

        body_html = "<html><body style='{body_style}'>" \
                    "<div id='QgsWebViewContainer' style='{container_style}'>{html}</div><" \
                    "/body></html>".format(body_style=body_style,
                                           container_style=container_style,
                                           html=html)

        self.web_view.setHtml(body_html)

        scrollbar_width = self.web_view.page().mainFrame().scrollBarGeometry(
            Qt.Vertical).width()
        scrollbar_height = self.web_view.page().mainFrame().scrollBarGeometry(
            Qt.Horizontal).height()
        if scrollbar_width > 0 or scrollbar_height > 0:
            # Get the content size
            container = self.web_view.page().mainFrame().findFirstElement(
                "#QgsWebViewContainer")
            width = container.geometry().width() + 25 + scrollbar_width
            height = container.geometry().height() + 25 + scrollbar_height

            #self.resize(width, height)

        iface.addDockWidget(Qt.RightDockWidgetArea, self)
        self.setFeatures(QDockWidget.AllDockWidgetFeatures)
        self.setFloating(True)
        self.setWindowOpacity(0.9)
        self.move_to_point()

    def move_to_point(self):
        pixel_position = self.map_canvas.mapSettings().mapToPixel().transform(
            self.point)
        pixel_position = self.map_canvas.mapToGlobal(
            QPoint(pixel_position.x(), pixel_position.y()))
        self.move(pixel_position.x() + 10, pixel_position.y() + 10)

    def on_link_clicked(self, url):
        QDesktopServices.openUrl(url)

    def closeEvent(self, event: QCloseEvent):
        self.closed.emit()

    def info(self, msg="", level=Qgis.Info):
        QgsMessageLog.logMessage('{} {}'.format(self.__class__.__name__, msg),
                                 'Locator bar', level)

    def dbg_info(self, msg=""):
        if DEBUG:
            self.info(msg)
Пример #2
0
class HostWindow(QMainWindow):
    # signals
    SIGTERM = pyqtSignal()
    SIGUSR1 = pyqtSignal()

    # --------------------------------------------------------------------------------------------------------

    def __init__(self):
        QMainWindow.__init__(self)
        gCarla.gui = self

        URI = sys.argv[1]

        # ----------------------------------------------------------------------------------------------------
        # Internal stuff

        self.fCurrentFrame = None
        self.fDocElemement = None
        self.fCanSetValues = False
        self.fNeedsShow    = False
        self.fSizeSetup    = False
        self.fQuitReceived = False
        self.fWasRepainted = False

        self.fPlugin      = get_plugin_info(URI)
        self.fPorts       = self.fPlugin['ports']
        self.fPortSymbols = {}
        self.fPortValues  = {}

        for port in self.fPorts['control']['input'] + self.fPorts['control']['output']:
            self.fPortSymbols[port['index']] = port['symbol']
            self.fPortValues [port['index']] = port['ranges']['default']

        # ----------------------------------------------------------------------------------------------------
        # Init pipe

        if len(sys.argv) == 7:
            self.fPipeClient = gCarla.utils.pipe_client_new(lambda s,msg: self.msgCallback(msg))
        else:
            self.fPipeClient = None

        # ----------------------------------------------------------------------------------------------------
        # Init Web server

        self.fWebServerThread = WebServerThread(self)
        self.fWebServerThread.start()

        # ----------------------------------------------------------------------------------------------------
        # Set up GUI

        self.setContentsMargins(0, 0, 0, 0)

        self.fWebview = QWebView(self)
        #self.fWebview.setAttribute(Qt.WA_OpaquePaintEvent, False)
        #self.fWebview.setAttribute(Qt.WA_TranslucentBackground, True)
        self.setCentralWidget(self.fWebview)

        page = self.fWebview.page()
        page.setViewportSize(QSize(980, 600))

        mainFrame = page.mainFrame()
        mainFrame.setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff)
        mainFrame.setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff)

        palette = self.fWebview.palette()
        palette.setBrush(QPalette.Base, palette.brush(QPalette.Window))
        page.setPalette(palette)
        self.fWebview.setPalette(palette)

        settings = self.fWebview.settings()
        settings.setAttribute(QWebSettings.DeveloperExtrasEnabled, True)

        self.fWebview.loadFinished.connect(self.slot_webviewLoadFinished)

        url = "http://127.0.0.1:%s/icon.html#%s" % (PORT, URI)
        print("url:", url)
        self.fWebview.load(QUrl(url))

        # ----------------------------------------------------------------------------------------------------
        # Connect actions to functions

        self.SIGTERM.connect(self.slot_handleSIGTERM)

        # ----------------------------------------------------------------------------------------------------
        # Final setup

        self.fIdleTimer = self.startTimer(30)

        if self.fPipeClient is None:
            # testing, show UI only
            self.setWindowTitle("TestUI")
            self.fNeedsShow = True

    # --------------------------------------------------------------------------------------------------------

    def closeExternalUI(self):
        self.fWebServerThread.stopWait()

        if self.fPipeClient is None:
            return

        if not self.fQuitReceived:
            self.send(["exiting"])

        gCarla.utils.pipe_client_destroy(self.fPipeClient)
        self.fPipeClient = None

    def idleStuff(self):
        if self.fPipeClient is not None:
            gCarla.utils.pipe_client_idle(self.fPipeClient)
            self.checkForRepaintChanges()

        if self.fSizeSetup:
            return
        if self.fDocElemement is None or self.fDocElemement.isNull():
            return

        pedal = self.fDocElemement.findFirst(".mod-pedal")

        if pedal.isNull():
            return

        size = pedal.geometry().size()

        if size.width() <= 10 or size.height() <= 10:
            return

        # render web frame to image
        image = QImage(self.fWebview.page().viewportSize(), QImage.Format_ARGB32_Premultiplied)
        image.fill(Qt.transparent)

        painter = QPainter(image)
        self.fCurrentFrame.render(painter)
        painter.end()

        #image.save("/tmp/test.png")

        # get coordinates and size from image
        #x = -1
        #y = -1
        #lastx = -1
        #lasty = -1
        #bgcol = self.fHostColor.rgba()

        #for h in range(0, image.height()):
            #hasNonTransPixels = False

            #for w in range(0, image.width()):
                #if image.pixel(w, h) not in (0, bgcol): # 0xff070707):
                    #hasNonTransPixels = True
                    #if x == -1 or x > w:
                        #x = w
                    #lastx = max(lastx, w)

            #if hasNonTransPixels:
                ##if y == -1:
                    ##y = h
                #lasty = h

        # set size and position accordingly
        #if -1 not in (x, lastx, lasty):
            #self.setFixedSize(lastx-x, lasty)
            #self.fCurrentFrame.setScrollPosition(QPoint(x, 0))
        #else:

        # TODO that^ needs work
        if True:
            self.setFixedSize(size)

        # set initial values
        self.fCurrentFrame.evaluateJavaScript("icongui.setPortValue(':bypass', 0, null)")

        for index in self.fPortValues.keys():
            symbol = self.fPortSymbols[index]
            value  = self.fPortValues[index]
            self.fCurrentFrame.evaluateJavaScript("icongui.setPortValue('%s', %f, null)" % (symbol, value))

        # final setup
        self.fCanSetValues = True
        self.fSizeSetup    = True
        self.fDocElemement = None

        if self.fNeedsShow:
            self.show()

    def checkForRepaintChanges(self):
        if not self.fWasRepainted:
            return

        self.fWasRepainted = False

        if not self.fCanSetValues:
            return

        for index in self.fPortValues.keys():
            symbol   = self.fPortSymbols[index]
            oldValue = self.fPortValues[index]
            newValue = self.fCurrentFrame.evaluateJavaScript("icongui.getPortValue('%s')" % (symbol,))

            if oldValue != newValue:
                self.fPortValues[index] = newValue
                self.send(["control", index, newValue])

    # --------------------------------------------------------------------------------------------------------

    @pyqtSlot(bool)
    def slot_webviewLoadFinished(self, ok):
        page = self.fWebview.page()
        page.repaintRequested.connect(self.slot_repaintRequested)

        self.fCurrentFrame = page.currentFrame()
        self.fDocElemement = self.fCurrentFrame.documentElement()

    def slot_repaintRequested(self):
        if self.fCanSetValues:
            self.fWasRepainted = True

    # --------------------------------------------------------------------------------------------------------
    # Callback

    def msgCallback(self, msg):
        msg = charPtrToString(msg)

        if msg == "control":
            index = int(self.readlineblock())
            value = float(self.readlineblock())
            self.dspParameterChanged(index, value)

        elif msg == "program":
            index = int(self.readlineblock())
            self.dspProgramChanged(index)

        elif msg == "midiprogram":
            bank    = int(self.readlineblock())
            program = float(self.readlineblock())
            self.dspMidiProgramChanged(bank, program)

        elif msg == "configure":
            key   = self.readlineblock()
            value = self.readlineblock()
            self.dspStateChanged(key, value)

        elif msg == "note":
            onOff    = bool(self.readlineblock() == "true")
            channel  = int(self.readlineblock())
            note     = int(self.readlineblock())
            velocity = int(self.readlineblock())
            self.dspNoteReceived(onOff, channel, note, velocity)

        elif msg == "atom":
            index      = int(self.readlineblock())
            size       = int(self.readlineblock())
            base64atom = self.readlineblock()
            # nothing to do yet

        elif msg == "urid":
            urid = int(self.readlineblock())
            uri  = self.readlineblock()
            # nothing to do yet

        elif msg == "uiOptions":
            sampleRate     = float(self.readlineblock())
            useTheme       = bool(self.readlineblock() == "true")
            useThemeColors = bool(self.readlineblock() == "true")
            windowTitle    = self.readlineblock()
            transWindowId  = int(self.readlineblock())
            self.uiTitleChanged(windowTitle)

        elif msg == "show":
            self.uiShow()

        elif msg == "focus":
            self.uiFocus()

        elif msg == "hide":
            self.uiHide()

        elif msg == "quit":
            self.fQuitReceived = True
            self.uiQuit()

        elif msg == "uiTitle":
            uiTitle = self.readlineblock()
            self.uiTitleChanged(uiTitle)

        else:
            print("unknown message: \"" + msg + "\"")

    # --------------------------------------------------------------------------------------------------------

    def dspParameterChanged(self, index, value):
        self.fPortValues[index] = value

        if self.fCurrentFrame is not None and self.fCanSetValues:
            symbol = self.fPortSymbols[index]
            self.fCurrentFrame.evaluateJavaScript("icongui.setPortValue('%s', %f, null)" % (symbol, value))

    def dspProgramChanged(self, index):
        return

    def dspMidiProgramChanged(self, bank, program):
        return

    def dspStateChanged(self, key, value):
        return

    def dspNoteReceived(self, onOff, channel, note, velocity):
        return

    # --------------------------------------------------------------------------------------------------------

    def uiShow(self):
        if self.fSizeSetup:
            self.show()
        else:
            self.fNeedsShow = True

    def uiFocus(self):
        if not self.fSizeSetup:
            return

        self.setWindowState((self.windowState() & ~Qt.WindowMinimized) | Qt.WindowActive)
        self.show()

        self.raise_()
        self.activateWindow()

    def uiHide(self):
        self.hide()

    def uiQuit(self):
        self.closeExternalUI()
        self.close()
        app.quit()

    def uiTitleChanged(self, uiTitle):
        self.setWindowTitle(uiTitle)

    # --------------------------------------------------------------------------------------------------------
    # Qt events

    def closeEvent(self, event):
        self.closeExternalUI()
        QMainWindow.closeEvent(self, event)

        # there might be other qt windows open which will block carla-modgui from quitting
        app.quit()

    def timerEvent(self, event):
        if event.timerId() == self.fIdleTimer:
            self.idleStuff()

        QMainWindow.timerEvent(self, event)

    # --------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_handleSIGTERM(self):
        print("Got SIGTERM -> Closing now")
        self.close()

    # --------------------------------------------------------------------------------------------------------
    # Internal stuff

    def readlineblock(self):
        if self.fPipeClient is None:
            return ""

        return gCarla.utils.pipe_client_readlineblock(self.fPipeClient, 5000)

    def send(self, lines):
        if self.fPipeClient is None or len(lines) == 0:
            return

        gCarla.utils.pipe_client_lock(self.fPipeClient)

        # this must never fail, we need to unlock at the end
        try:
            for line in lines:
                if line is None:
                    line2 = "(null)"
                elif isinstance(line, str):
                    line2 = line.replace("\n", "\r")
                elif isinstance(line, bool):
                    line2 = "true" if line else "false"
                elif isinstance(line, int):
                    line2 = "%i" % line
                elif isinstance(line, float):
                    line2 = "%.10f" % line
                else:
                    print("unknown data type to send:", type(line))
                    return

                gCarla.utils.pipe_client_write_msg(self.fPipeClient, line2 + "\n")
        except:
            pass

        gCarla.utils.pipe_client_flush_and_unlock(self.fPipeClient)
Пример #3
0
class HostWindow(QMainWindow):
    # signals
    SIGTERM = pyqtSignal()
    SIGUSR1 = pyqtSignal()

    # --------------------------------------------------------------------------------------------------------

    def __init__(self):
        QMainWindow.__init__(self)
        gCarla.gui = self

        URI = sys.argv[1]

        # ----------------------------------------------------------------------------------------------------
        # Internal stuff

        self.fCurrentFrame = None
        self.fDocElemement = None
        self.fCanSetValues = False
        self.fNeedsShow = False
        self.fSizeSetup = False
        self.fQuitReceived = False
        self.fWasRepainted = False

        self.fPlugin = get_plugin_info(URI)
        self.fPorts = self.fPlugin['ports']
        self.fPortSymbols = {}
        self.fPortValues = {}

        for port in self.fPorts['control']['input'] + self.fPorts['control'][
                'output']:
            self.fPortSymbols[port['index']] = port['symbol']
            self.fPortValues[port['index']] = port['ranges']['default']

        # ----------------------------------------------------------------------------------------------------
        # Init pipe

        if len(sys.argv) == 7:
            self.fPipeClient = gCarla.utils.pipe_client_new(
                lambda s, msg: self.msgCallback(msg))
        else:
            self.fPipeClient = None

        # ----------------------------------------------------------------------------------------------------
        # Init Web server

        self.fWebServerThread = WebServerThread(self)
        self.fWebServerThread.start()

        # ----------------------------------------------------------------------------------------------------
        # Set up GUI

        self.setContentsMargins(0, 0, 0, 0)

        self.fWebview = QWebView(self)
        #self.fWebview.setAttribute(Qt.WA_OpaquePaintEvent, False)
        #self.fWebview.setAttribute(Qt.WA_TranslucentBackground, True)
        self.setCentralWidget(self.fWebview)

        page = self.fWebview.page()
        page.setViewportSize(QSize(980, 600))

        mainFrame = page.mainFrame()
        mainFrame.setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff)
        mainFrame.setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff)

        palette = self.fWebview.palette()
        palette.setBrush(QPalette.Base, palette.brush(QPalette.Window))
        page.setPalette(palette)
        self.fWebview.setPalette(palette)

        settings = self.fWebview.settings()
        settings.setAttribute(QWebSettings.DeveloperExtrasEnabled, True)

        self.fWebview.loadFinished.connect(self.slot_webviewLoadFinished)

        url = "http://127.0.0.1:%s/icon.html#%s" % (PORT, URI)
        print("url:", url)
        self.fWebview.load(QUrl(url))

        # ----------------------------------------------------------------------------------------------------
        # Connect actions to functions

        self.SIGTERM.connect(self.slot_handleSIGTERM)

        # ----------------------------------------------------------------------------------------------------
        # Final setup

        self.fIdleTimer = self.startTimer(30)

        if self.fPipeClient is None:
            # testing, show UI only
            self.setWindowTitle("TestUI")
            self.fNeedsShow = True

    # --------------------------------------------------------------------------------------------------------

    def closeExternalUI(self):
        self.fWebServerThread.stopWait()

        if self.fPipeClient is None:
            return

        if not self.fQuitReceived:
            self.send(["exiting"])

        gCarla.utils.pipe_client_destroy(self.fPipeClient)
        self.fPipeClient = None

    def idleStuff(self):
        if self.fPipeClient is not None:
            gCarla.utils.pipe_client_idle(self.fPipeClient)
            self.checkForRepaintChanges()

        if self.fSizeSetup:
            return
        if self.fDocElemement is None or self.fDocElemement.isNull():
            return

        pedal = self.fDocElemement.findFirst(".mod-pedal")

        if pedal.isNull():
            return

        size = pedal.geometry().size()

        if size.width() <= 10 or size.height() <= 10:
            return

        # render web frame to image
        image = QImage(self.fWebview.page().viewportSize(),
                       QImage.Format_ARGB32_Premultiplied)
        image.fill(Qt.transparent)

        painter = QPainter(image)
        self.fCurrentFrame.render(painter)
        painter.end()

        #image.save("/tmp/test.png")

        # get coordinates and size from image
        #x = -1
        #y = -1
        #lastx = -1
        #lasty = -1
        #bgcol = self.fHostColor.rgba()

        #for h in range(0, image.height()):
        #hasNonTransPixels = False

        #for w in range(0, image.width()):
        #if image.pixel(w, h) not in (0, bgcol): # 0xff070707):
        #hasNonTransPixels = True
        #if x == -1 or x > w:
        #x = w
        #lastx = max(lastx, w)

        #if hasNonTransPixels:
        ##if y == -1:
        ##y = h
        #lasty = h

        # set size and position accordingly
        #if -1 not in (x, lastx, lasty):
        #self.setFixedSize(lastx-x, lasty)
        #self.fCurrentFrame.setScrollPosition(QPoint(x, 0))
        #else:

        # TODO that^ needs work
        if True:
            self.setFixedSize(size)

        # set initial values
        for index in self.fPortValues.keys():
            symbol = self.fPortSymbols[index]
            value = self.fPortValues[index]
            self.fCurrentFrame.evaluateJavaScript(
                "icongui.setPortValue('%s', %f, null)" % (symbol, value))

        # final setup
        self.fCanSetValues = True
        self.fSizeSetup = True
        self.fDocElemement = None

        if self.fNeedsShow:
            self.show()

    def checkForRepaintChanges(self):
        if not self.fWasRepainted:
            return

        self.fWasRepainted = False

        if not self.fCanSetValues:
            return

        for index in self.fPortValues.keys():
            symbol = self.fPortSymbols[index]
            oldValue = self.fPortValues[index]
            newValue = self.fCurrentFrame.evaluateJavaScript(
                "icongui.getPortValue('%s')" % (symbol, ))

            if oldValue != newValue:
                self.fPortValues[index] = newValue
                self.send(["control", index, newValue])

    # --------------------------------------------------------------------------------------------------------

    @pyqtSlot(bool)
    def slot_webviewLoadFinished(self, ok):
        page = self.fWebview.page()
        page.repaintRequested.connect(self.slot_repaintRequested)

        self.fCurrentFrame = page.currentFrame()
        self.fDocElemement = self.fCurrentFrame.documentElement()

    def slot_repaintRequested(self):
        if self.fCanSetValues:
            self.fWasRepainted = True

    # --------------------------------------------------------------------------------------------------------
    # Callback

    def msgCallback(self, msg):
        msg = charPtrToString(msg)

        if msg == "control":
            index = int(self.readlineblock())
            value = float(self.readlineblock())
            self.dspParameterChanged(index, value)

        elif msg == "program":
            index = int(self.readlineblock())
            self.dspProgramChanged(index)

        elif msg == "midiprogram":
            bank = int(self.readlineblock())
            program = float(self.readlineblock())
            self.dspMidiProgramChanged(bank, program)

        elif msg == "configure":
            key = self.readlineblock()
            value = self.readlineblock()
            self.dspStateChanged(key, value)

        elif msg == "note":
            onOff = bool(self.readlineblock() == "true")
            channel = int(self.readlineblock())
            note = int(self.readlineblock())
            velocity = int(self.readlineblock())
            self.dspNoteReceived(onOff, channel, note, velocity)

        elif msg == "atom":
            index = int(self.readlineblock())
            size = int(self.readlineblock())
            base64atom = self.readlineblock()
            # nothing to do yet

        elif msg == "urid":
            urid = int(self.readlineblock())
            uri = self.readlineblock()
            # nothing to do yet

        elif msg == "uiOptions":
            sampleRate = float(self.readlineblock())
            useTheme = bool(self.readlineblock() == "true")
            useThemeColors = bool(self.readlineblock() == "true")
            windowTitle = self.readlineblock()
            transWindowId = int(self.readlineblock())
            self.uiTitleChanged(windowTitle)

        elif msg == "show":
            self.uiShow()

        elif msg == "focus":
            self.uiFocus()

        elif msg == "hide":
            self.uiHide()

        elif msg == "quit":
            self.fQuitReceived = True
            self.uiQuit()

        elif msg == "uiTitle":
            uiTitle = self.readlineblock()
            self.uiTitleChanged(uiTitle)

        else:
            print("unknown message: \"" + msg + "\"")

    # --------------------------------------------------------------------------------------------------------

    def dspParameterChanged(self, index, value):
        self.fPortValues[index] = value

        if self.fCurrentFrame is not None and self.fCanSetValues:
            symbol = self.fPortSymbols[index]
            self.fCurrentFrame.evaluateJavaScript(
                "icongui.setPortValue('%s', %f, null)" % (symbol, value))

    def dspProgramChanged(self, index):
        return

    def dspMidiProgramChanged(self, bank, program):
        return

    def dspStateChanged(self, key, value):
        return

    def dspNoteReceived(self, onOff, channel, note, velocity):
        return

    # --------------------------------------------------------------------------------------------------------

    def uiShow(self):
        if self.fSizeSetup:
            self.show()
        else:
            self.fNeedsShow = True

    def uiFocus(self):
        if not self.fSizeSetup:
            return

        self.setWindowState((self.windowState() & ~Qt.WindowMinimized)
                            | Qt.WindowActive)
        self.show()

        self.raise_()
        self.activateWindow()

    def uiHide(self):
        self.hide()

    def uiQuit(self):
        self.closeExternalUI()
        self.close()
        app.quit()

    def uiTitleChanged(self, uiTitle):
        self.setWindowTitle(uiTitle)

    # --------------------------------------------------------------------------------------------------------
    # Qt events

    def closeEvent(self, event):
        self.closeExternalUI()
        QMainWindow.closeEvent(self, event)

        # there might be other qt windows open which will block carla-modgui from quitting
        app.quit()

    def timerEvent(self, event):
        if event.timerId() == self.fIdleTimer:
            self.idleStuff()

        QMainWindow.timerEvent(self, event)

    # --------------------------------------------------------------------------------------------------------

    @pyqtSlot()
    def slot_handleSIGTERM(self):
        print("Got SIGTERM -> Closing now")
        self.close()

    # --------------------------------------------------------------------------------------------------------
    # Internal stuff

    def readlineblock(self):
        if self.fPipeClient is None:
            return ""

        return gCarla.utils.pipe_client_readlineblock(self.fPipeClient, 5000)

    def send(self, lines):
        if self.fPipeClient is None or len(lines) == 0:
            return

        gCarla.utils.pipe_client_lock(self.fPipeClient)

        # this must never fail, we need to unlock at the end
        try:
            for line in lines:
                if line is None:
                    line2 = "(null)"
                elif isinstance(line, str):
                    line2 = line.replace("\n", "\r")
                elif isinstance(line, bool):
                    line2 = "true" if line else "false"
                elif isinstance(line, int):
                    line2 = "%i" % line
                elif isinstance(line, float):
                    line2 = "%.10f" % line
                else:
                    print("unknown data type to send:", type(line))
                    return

                gCarla.utils.pipe_client_write_msg(self.fPipeClient,
                                                   line2 + "\n")
        except:
            pass

        gCarla.utils.pipe_client_flush_and_unlock(self.fPipeClient)
Пример #4
0
class BookInfo(QDialog):

    closed = pyqtSignal(object)

    def __init__(self, parent, view, row, link_delegate):
        QDialog.__init__(self, parent)
        self.normal_brush = QBrush(Qt.white)
        self.marked_brush = QBrush(Qt.lightGray)
        self.marked = None
        self.gui = parent
        self.splitter = QSplitter(self)
        self._l = l = QVBoxLayout(self)
        self.setLayout(l)
        l.addWidget(self.splitter)

        self.cover = CoverView(self)
        self.cover.resizeEvent = self.cover_view_resized
        self.cover.cover_changed.connect(self.cover_changed)
        self.cover_pixmap = None
        self.cover.sizeHint = self.details_size_hint
        self.splitter.addWidget(self.cover)

        self.details = QWebView(self)
        self.details.sizeHint = self.details_size_hint
        self.details.page().setLinkDelegationPolicy(
            self.details.page().DelegateAllLinks)
        self.details.linkClicked.connect(self.link_clicked)
        s = self.details.page().settings()
        s.setAttribute(s.JavascriptEnabled, False)
        self.css = css()
        self.link_delegate = link_delegate
        self.details.setAttribute(Qt.WA_OpaquePaintEvent, False)
        palette = self.details.palette()
        self.details.setAcceptDrops(False)
        palette.setBrush(QPalette.Base, Qt.transparent)
        self.details.page().setPalette(palette)

        self.c = QWidget(self)
        self.c.l = l2 = QGridLayout(self.c)
        self.c.setLayout(l2)
        l2.addWidget(self.details, 0, 0, 1, -1)
        self.splitter.addWidget(self.c)

        self.fit_cover = QCheckBox(_('Fit &cover within view'), self)
        self.fit_cover.setChecked(
            gprefs.get('book_info_dialog_fit_cover', True))
        l2.addWidget(self.fit_cover, l2.rowCount(), 0, 1, -1)
        self.previous_button = QPushButton(QIcon(I('previous.png')),
                                           _('&Previous'), self)
        self.previous_button.clicked.connect(self.previous)
        l2.addWidget(self.previous_button, l2.rowCount(), 0)
        self.next_button = QPushButton(QIcon(I('next.png')), _('&Next'), self)
        self.next_button.clicked.connect(self.next)
        l2.addWidget(self.next_button, l2.rowCount() - 1, 1)

        self.view = view
        self.current_row = None
        self.refresh(row)
        self.view.model().new_bookdisplay_data.connect(self.slave)
        self.fit_cover.stateChanged.connect(self.toggle_cover_fit)
        self.ns = QShortcut(QKeySequence('Alt+Right'), self)
        self.ns.activated.connect(self.next)
        self.ps = QShortcut(QKeySequence('Alt+Left'), self)
        self.ps.activated.connect(self.previous)
        self.next_button.setToolTip(
            _('Next [%s]') %
            unicode(self.ns.key().toString(QKeySequence.NativeText)))
        self.previous_button.setToolTip(
            _('Previous [%s]') %
            unicode(self.ps.key().toString(QKeySequence.NativeText)))

        geom = QCoreApplication.instance().desktop().availableGeometry(self)
        screen_height = geom.height() - 100
        screen_width = geom.width() - 100
        self.resize(max(int(screen_width / 2), 700), screen_height)
        saved_layout = gprefs.get('book_info_dialog_layout', None)
        if saved_layout is not None:
            try:
                self.restoreGeometry(saved_layout[0])
                self.splitter.restoreState(saved_layout[1])
            except Exception:
                pass

    def link_clicked(self, qurl):
        link = unicode(qurl.toString(QUrl.None))
        self.link_delegate(link)

    def done(self, r):
        saved_layout = (bytearray(self.saveGeometry()),
                        bytearray(self.splitter.saveState()))
        gprefs.set('book_info_dialog_layout', saved_layout)
        ret = QDialog.done(self, r)
        self.view.model().new_bookdisplay_data.disconnect(self.slave)
        self.view = self.link_delegate = self.gui = None
        self.closed.emit(self)
        return ret

    def cover_changed(self, data):
        if self.current_row is not None:
            id_ = self.view.model().id(self.current_row)
            self.view.model().db.set_cover(id_, data)
        if self.gui.cover_flow:
            self.gui.cover_flow.dataChanged()
        ci = self.view.currentIndex()
        if ci.isValid():
            self.view.model().current_changed(ci, ci)

    def details_size_hint(self):
        return QSize(350, 550)

    def toggle_cover_fit(self, state):
        gprefs.set('book_info_dialog_fit_cover', self.fit_cover.isChecked())
        self.resize_cover()

    def cover_view_resized(self, event):
        QTimer.singleShot(1, self.resize_cover)

    def slave(self, mi):
        self.refresh(mi.row_number, mi)

    def move(self, delta=1):
        idx = self.view.currentIndex()
        if idx.isValid():
            m = self.view.model()
            ni = m.index(idx.row() + delta, idx.column())
            if ni.isValid():
                if self.view.isVisible():
                    self.view.scrollTo(ni)
                self.view.setCurrentIndex(ni)

    def next(self):
        self.move()

    def previous(self):
        self.move(-1)

    def resize_cover(self):
        if self.cover_pixmap is None:
            return
        pixmap = self.cover_pixmap
        if self.fit_cover.isChecked():
            scaled, new_width, new_height = fit_image(
                pixmap.width(), pixmap.height(),
                self.cover.size().width() - 10,
                self.cover.size().height() - 10)
            if scaled:
                pixmap = pixmap.scaled(new_width, new_height,
                                       Qt.KeepAspectRatio,
                                       Qt.SmoothTransformation)
        self.cover.set_pixmap(pixmap)
        self.update_cover_tooltip()

    def update_cover_tooltip(self):
        tt = ''
        if self.marked:
            tt = _('This book is marked') if self.marked in {
                True, 'true'
            } else _('This book is marked as: %s') % self.marked
            tt += '\n\n'
        if self.cover_pixmap is not None:
            sz = self.cover_pixmap.size()
            tt += _('Cover size: %(width)d x %(height)d') % dict(
                width=sz.width(), height=sz.height())
        self.cover.setToolTip(tt)

    def refresh(self, row, mi=None):
        if isinstance(row, QModelIndex):
            row = row.row()
        if row == self.current_row and mi is None:
            return
        mi = self.view.model().get_book_display_info(row) if mi is None else mi
        if mi is None:
            # Indicates books was deleted from library, or row numbers have
            # changed
            return

        self.previous_button.setEnabled(False if row == 0 else True)
        self.next_button.setEnabled(False if row ==
                                    self.view.model().rowCount(QModelIndex()) -
                                    1 else True)
        self.current_row = row
        self.setWindowTitle(mi.title)
        self.cover_pixmap = QPixmap.fromImage(mi.cover_data[1])
        self.resize_cover()
        html = render_html(mi, self.css, True, self, all_fields=True)
        self.details.setHtml(html)
        self.marked = mi.marked
        self.cover.setBackgroundBrush(
            self.marked_brush if mi.marked else self.normal_brush)
        self.update_cover_tooltip()
Пример #5
0
class BookInfo(QDialog):

    closed = pyqtSignal(object)

    def __init__(self, parent, view, row, link_delegate):
        QDialog.__init__(self, parent)
        self.normal_brush = QBrush(Qt.white)
        self.marked_brush = QBrush(Qt.lightGray)
        self.marked = None
        self.gui = parent
        self.splitter = QSplitter(self)
        self._l = l = QVBoxLayout(self)
        self.setLayout(l)
        l.addWidget(self.splitter)

        self.cover = CoverView(self)
        self.cover.resizeEvent = self.cover_view_resized
        self.cover.cover_changed.connect(self.cover_changed)
        self.cover_pixmap = None
        self.cover.sizeHint = self.details_size_hint
        self.splitter.addWidget(self.cover)

        self.details = QWebView(self)
        self.details.sizeHint = self.details_size_hint
        self.details.page().setLinkDelegationPolicy(self.details.page().DelegateAllLinks)
        self.details.linkClicked.connect(self.link_clicked)
        s = self.details.page().settings()
        s.setAttribute(s.JavascriptEnabled, False)
        self.css = css()
        self.link_delegate = link_delegate
        self.details.setAttribute(Qt.WA_OpaquePaintEvent, False)
        palette = self.details.palette()
        self.details.setAcceptDrops(False)
        palette.setBrush(QPalette.Base, Qt.transparent)
        self.details.page().setPalette(palette)

        self.c = QWidget(self)
        self.c.l = l2 = QGridLayout(self.c)
        self.c.setLayout(l2)
        l2.addWidget(self.details, 0, 0, 1, -1)
        self.splitter.addWidget(self.c)

        self.fit_cover = QCheckBox(_('Fit &cover within view'), self)
        self.fit_cover.setChecked(gprefs.get('book_info_dialog_fit_cover', True))
        l2.addWidget(self.fit_cover, l2.rowCount(), 0, 1, -1)
        self.previous_button = QPushButton(QIcon(I('previous.png')), _('&Previous'), self)
        self.previous_button.clicked.connect(self.previous)
        l2.addWidget(self.previous_button, l2.rowCount(), 0)
        self.next_button = QPushButton(QIcon(I('next.png')), _('&Next'), self)
        self.next_button.clicked.connect(self.next)
        l2.addWidget(self.next_button, l2.rowCount() - 1, 1)

        self.view = view
        self.current_row = None
        self.refresh(row)
        self.view.model().new_bookdisplay_data.connect(self.slave)
        self.fit_cover.stateChanged.connect(self.toggle_cover_fit)
        self.ns = QShortcut(QKeySequence('Alt+Right'), self)
        self.ns.activated.connect(self.next)
        self.ps = QShortcut(QKeySequence('Alt+Left'), self)
        self.ps.activated.connect(self.previous)
        self.next_button.setToolTip(_('Next [%s]')%
                unicode(self.ns.key().toString(QKeySequence.NativeText)))
        self.previous_button.setToolTip(_('Previous [%s]')%
                unicode(self.ps.key().toString(QKeySequence.NativeText)))

        geom = QCoreApplication.instance().desktop().availableGeometry(self)
        screen_height = geom.height() - 100
        screen_width = geom.width() - 100
        self.resize(max(int(screen_width/2), 700), screen_height)
        saved_layout = gprefs.get('book_info_dialog_layout', None)
        if saved_layout is not None:
            try:
                self.restoreGeometry(saved_layout[0])
                self.splitter.restoreState(saved_layout[1])
            except Exception:
                pass

    def link_clicked(self, qurl):
        link = unicode(qurl.toString(QUrl.None))
        self.link_delegate(link)

    def done(self, r):
        saved_layout = (bytearray(self.saveGeometry()), bytearray(self.splitter.saveState()))
        gprefs.set('book_info_dialog_layout', saved_layout)
        ret = QDialog.done(self, r)
        self.view.model().new_bookdisplay_data.disconnect(self.slave)
        self.view = self.link_delegate = self.gui = None
        self.closed.emit(self)
        return ret

    def cover_changed(self, data):
        if self.current_row is not None:
            id_ = self.view.model().id(self.current_row)
            self.view.model().db.set_cover(id_, data)
        if self.gui.cover_flow:
            self.gui.cover_flow.dataChanged()
        ci = self.view.currentIndex()
        if ci.isValid():
            self.view.model().current_changed(ci, ci)

    def details_size_hint(self):
        return QSize(350, 550)

    def toggle_cover_fit(self, state):
        gprefs.set('book_info_dialog_fit_cover', self.fit_cover.isChecked())
        self.resize_cover()

    def cover_view_resized(self, event):
        QTimer.singleShot(1, self.resize_cover)

    def slave(self, mi):
        self.refresh(mi.row_number, mi)

    def move(self, delta=1):
        idx = self.view.currentIndex()
        if idx.isValid():
            m = self.view.model()
            ni = m.index(idx.row() + delta, idx.column())
            if ni.isValid():
                if self.view.isVisible():
                    self.view.scrollTo(ni)
                self.view.setCurrentIndex(ni)

    def next(self):
        self.move()

    def previous(self):
        self.move(-1)

    def resize_cover(self):
        if self.cover_pixmap is None:
            return
        pixmap = self.cover_pixmap
        if self.fit_cover.isChecked():
            scaled, new_width, new_height = fit_image(pixmap.width(),
                    pixmap.height(), self.cover.size().width()-10,
                    self.cover.size().height()-10)
            if scaled:
                pixmap = pixmap.scaled(new_width, new_height,
                        Qt.KeepAspectRatio, Qt.SmoothTransformation)
        self.cover.set_pixmap(pixmap)
        self.update_cover_tooltip()

    def update_cover_tooltip(self):
        tt = ''
        if self.marked:
            tt = _('This book is marked') if self.marked in {True, 'true'} else _(
                'This book is marked as: %s') % self.marked
            tt += '\n\n'
        if self.cover_pixmap is not None:
            sz = self.cover_pixmap.size()
            tt += _('Cover size: %(width)d x %(height)d')%dict(width=sz.width(), height=sz.height())
        self.cover.setToolTip(tt)

    def refresh(self, row, mi=None):
        if isinstance(row, QModelIndex):
            row = row.row()
        if row == self.current_row and mi is None:
            return
        mi = self.view.model().get_book_display_info(row) if mi is None else mi
        if mi is None:
            # Indicates books was deleted from library, or row numbers have
            # changed
            return

        self.previous_button.setEnabled(False if row == 0 else True)
        self.next_button.setEnabled(False if row == self.view.model().rowCount(QModelIndex())-1 else True)
        self.current_row = row
        self.setWindowTitle(mi.title)
        self.cover_pixmap = QPixmap.fromImage(mi.cover_data[1])
        self.resize_cover()
        html = render_html(mi, self.css, True, self, all_fields=True)
        self.details.setHtml(html)
        self.marked = mi.marked
        self.cover.setBackgroundBrush(self.marked_brush if mi.marked else self.normal_brush)
        self.update_cover_tooltip()
Пример #6
0
class Application(object):

    settings = None
    html_template = None
    geometry = None

    loaded_plugins = None
    command_handlers = None

    metadata = None

    def _on_navigation(self, url):
        url = str(url.toString())
        handler, cmd = url.split('::')
        if handler and handler in self.command_handlers:
            return self.command_handlers[handler].handle(cmd)
        else:
            self.web_view.load(QUrl(url))
            return False

    def render_template(self):
        metadata = self.metadata
        output = self.html_template
        # @TODO: create shell::{some command} parser
        # MSG = MSG.replace('%UNAME%', shell_cmd('uname -a').decode('UTF-8'))
        if metadata:
            output = output.replace('%ARTIST%', metadata['artist'])
            output = output.replace('%ALBUM%', metadata['album'])
            output = output.replace('%TITLE%', metadata['title'])
            output = output.replace('%ARTURL%', metadata['arturl'])
        self.web_view.setHtml(output)

    def _read_config(self):
        # @TODO: here it will be config parsing, now it's a placeholder

        self.settings = SETTINGS

        try:
            self.html_template = open('index.html', 'r').read()
        except Exception:
            print('Error in template')
            self.html_template = DEFAULT_MSG

        left = self.settings.get(
            "left",
            self.app.desktop().screenGeometry().width() -
            self.settings["right"] - self.settings["width"]
        )
        self.settings['geometry'] = (
            left, self.settings["top"],
            self.settings["width"], self.settings["height"]
        )
        self.html_template = self.html_template.replace(
            '%WIDTH%', str(self.settings["width"]))
        self.html_template = self.html_template.replace('%PATH%', APP_PATH)

    def __init__(self):

        self.app = QApplication(sys.argv)
        self.window = QMainWindow()

        self.metadata = {}
        self.command_handlers = {}
        self._read_config()

        if get_desktop_name() in ['openbox', 'pekwm']:
            # windowAttribute for openbox/pekwm WM
            self.window.setAttribute(Qt.WA_X11NetWmWindowTypeDesktop)
        else:
            # windowAttribute for any other DE like xfce, gnome, unity, kde etc
            self.window.setAttribute(Qt.WA_X11NetWmWindowTypeDock)
            self.window.setWindowFlags(Qt.WindowStaysOnBottomHint)
        self.window.setAttribute(Qt.WA_TranslucentBackground)

        self.web_view = QWebView()

        # trasparent webview
        palette = self.web_view.palette()
        palette.setBrush(QPalette.Base, Qt.transparent)
        self.web_view.page().setPalette(palette)

        self.web_view.page().setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
        self.web_view.linkClicked.connect(self._on_navigation)
        self.web_view.setHtml(self.html_template)

        self.window.setGeometry(*self.settings['geometry'])
        self.window.setCentralWidget(self.web_view)
        self.window.show()

        self.loaded_plugins = [
            CmdHandler(self),
            ClementineDBusInterface(self),
        ]

        sys.exit(self.app.exec_())